FR3021296B1 - DUAL PROPELLER PROPELLER ASSEMBLY FOR AIRCRAFT - Google Patents

DUAL PROPELLER PROPELLER ASSEMBLY FOR AIRCRAFT

Info

Publication number
FR3021296B1
FR3021296B1 FR1454550A FR1454550A FR3021296B1 FR 3021296 B1 FR3021296 B1 FR 3021296B1 FR 1454550 A FR1454550 A FR 1454550A FR 1454550 A FR1454550 A FR 1454550A FR 3021296 B1 FR3021296 B1 FR 3021296B1
Authority
FR
France
Prior art keywords
propeller
aircraft
dual
assembly
propeller assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1454550A
Other languages
French (fr)
Other versions
FR3021296A1 (en
Inventor
Sebastien Emile Philippe Tajan
Denis Louis Bocquet
Gilles Alain Charier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SNECMA SAS filed Critical SNECMA SAS
Priority to FR1454550A priority Critical patent/FR3021296B1/en
Priority to GB1508675.4A priority patent/GB2528555B/en
Priority to US14/718,024 priority patent/US10023320B2/en
Publication of FR3021296A1 publication Critical patent/FR3021296A1/en
Application granted granted Critical
Publication of FR3021296B1 publication Critical patent/FR3021296B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/306—Blade pitch-changing mechanisms specially adapted for contrarotating propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D35/00—Transmitting power from power plant to propellers or rotors; Arrangements of transmissions
    • B64D35/04—Transmitting power from power plant to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors
    • B64D35/06—Transmitting power from power plant to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors the propellers or rotors being counter-rotating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
    • B64C11/48—Units of two or more coaxial propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby
    • B64D2027/005—Aircraft with an unducted turbofan comprising contra-rotating rotors, e.g. contra-rotating open rotors [CROR]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00—Control
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/328—Blade pitch angle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
FR1454550A 2014-05-21 2014-05-21 DUAL PROPELLER PROPELLER ASSEMBLY FOR AIRCRAFT Active FR3021296B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1454550A FR3021296B1 (en) 2014-05-21 2014-05-21 DUAL PROPELLER PROPELLER ASSEMBLY FOR AIRCRAFT
GB1508675.4A GB2528555B (en) 2014-05-21 2015-05-20 Propulsion unit with a pair of propellers for an aircraft
US14/718,024 US10023320B2 (en) 2014-05-21 2015-05-20 Propulsion unit with a pair of propellers for an aircraft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1454550A FR3021296B1 (en) 2014-05-21 2014-05-21 DUAL PROPELLER PROPELLER ASSEMBLY FOR AIRCRAFT

Publications (2)

Publication Number Publication Date
FR3021296A1 FR3021296A1 (en) 2015-11-27
FR3021296B1 true FR3021296B1 (en) 2017-12-22

Family

ID=51726607

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1454550A Active FR3021296B1 (en) 2014-05-21 2014-05-21 DUAL PROPELLER PROPELLER ASSEMBLY FOR AIRCRAFT

Country Status (3)

Country Link
US (1) US10023320B2 (en)
FR (1) FR3021296B1 (en)
GB (1) GB2528555B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3587773B1 (en) 2018-06-27 2022-06-08 Rolls-Royce plc Gas turbine
CN114162338B (en) * 2021-11-04 2023-06-06 中国空气动力研究与发展中心低速空气动力研究所 Coaxial contra-rotating propeller transmission system capable of independently changing pitch
FR3130895B1 (en) * 2021-12-20 2023-11-03 Safran Aircraft Engines TURBOMACHINE MODULE EQUIPPED WITH A PITCH CHANGE SYSTEM AND A FLUID TRANSFER DEVICE
CN115258155A (en) * 2022-05-10 2022-11-01 中国空气动力研究与发展中心空天技术研究所 Amphibious integrated power propulsion device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1806603A (en) * 1931-05-26 armitage
US4842484A (en) * 1983-08-29 1989-06-27 General Electric Company Blade gearing and pitch changing mechanisms for coaxial counterrotating propellers
US4764090A (en) * 1984-01-09 1988-08-16 Wind Feather, United Science Asc Vertical wind turbine
US4657484A (en) * 1984-09-04 1987-04-14 General Electric Company Blade pitch varying means
US4927329A (en) * 1988-10-21 1990-05-22 General Electric Company Aircraft engine unducted fan blade pitch control system
US5209429A (en) * 1991-05-16 1993-05-11 United Technologies Corporation Helicopter with retractable rotor for transport
GB0614302D0 (en) * 2006-07-19 2006-08-30 Rolls Royce Plc An engine arrangement
FR2945512B1 (en) * 2009-05-15 2012-08-24 Snecma NON-CAREED PROPELLER HAVING A VARIABLE SHAFT FOR A TURBOMACHINE
FR2946012B1 (en) * 2009-05-29 2011-06-24 Snecma DEVICE FOR CONTROLLING THE ORIENTATION OF BLOWER BLADES OF A TURBOPROPULSEUR
GB2493980B (en) * 2011-08-26 2018-02-14 Ge Aviat Systems Ltd Pitch control of contra-rotating airfoil blades
FR2980770B1 (en) * 2011-10-03 2014-06-27 Snecma AIRBORNE TURBINE ENGINE (S) FOR AIRCRAFT WITH SYSTEM FOR CHANGING THE PROPELLER STEP.
FR2992703B1 (en) * 2012-06-27 2015-01-30 Snecma BEARING WITH MEDIUM LUBRICATION AND SYSTEM FOR CHANGING THE PITCH OF THE BLADES OF AN AIRCRAFT AIRBORNE PROPELLER, EQUIPPED WITH THE SAID BEARING

Also Published As

Publication number Publication date
US10023320B2 (en) 2018-07-17
FR3021296A1 (en) 2015-11-27
GB201508675D0 (en) 2015-07-01
GB2528555A (en) 2016-01-27
US20150336679A1 (en) 2015-11-26
GB2528555B (en) 2020-05-27

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